Home / 74,934.68-112,399.40-18,775.26

Finding the Fourth Proportional to 74,934.68, 112,399.40 and 18,775.26

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Solution

The fourth proportional to 74,934.68, 112,399.40 and 18,775.26 is: 28,162.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,934.68 : 112,399.40 = 18,775.26 : x
  2. Step 2: Convert to fraction form
    74,934.68/112,399.40 = 18,775.26/x
  3. Step 3: Cross multiply
    74,934.68x = 112,399.40 × 18,775.26
  4. Step 4: Simplify right side
    74,934.68x = 2,110,327,864.97
  5. Step 5: Solve for x
    x = 2,110,327,864.97/74,934.68
  6. Step 6: Final answer
    x = 28,162.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.